docker-automatic-nginx-letsencrypt/docker-compose.override.lex...

---
version: '2'

services:

  # letsencrypt-lexicon obtains Let's Encrypt certificates by modifying
  # DNS records. It supports several major cloud DNS providers.
  letsencrypt-lexicon:
    image: csmith/letsencrypt-lexicon:latest
    container_name: autoproxy_letsencrypt-lexicon
    restart: always
    volumes:
      - letsencrypt-data:/letsencrypt
    environment:
      # For testing purposes, use the Let's Encrypt staging server.
      # Remove this for production use!
      - STAGING=yes
      # To accept Let's Encrypt's temrs of service automatically:
      #- ACCEPT_CA_TERMS=yes
      # The e-mail address to provide to Let's Encrypt.
      - EMAIL=your@email.addr
      # The Lexicon provider to use
      - PROVIDER=cloudflare
      # Provider-specific authentication details
      - LEXICON_CLOUDFLARE_USERNAME=your@email.addr
      - LEXICON_CLOUDFLARE_TOKEN=1234567890123456789012345678901234567890